/* ==========================================================================
   CheckMate marketing site — shared stylesheet
   No build step, no framework. Plain CSS custom properties + a small set of
   reusable component classes. Kept dependency-free on purpose: fastest
   possible load, nothing to break, nothing to upgrade.
   ========================================================================== */

:root {
  --bg: #14121f;
  --bg-alt: #1c1936;
  --card: rgba(255, 255, 255, 0.06);
  --card-hover: rgba(255, 255, 255, 0.1);
  --border: rgba(255, 255, 255, 0.1);
  --mint: #2ee3ad;
  --mint-dim: rgba(46, 227, 173, 0.14);
  --gold: #ffd166;
  --gold-dim: rgba(255, 209, 102, 0.14);
  --coral: #ff6b6b;
  --t1: #ffffff;
  --t2: rgba(255, 255, 255, 0.62);
  --t3: rgba(255, 255, 255, 0.4);
  --max: 1120px;
  --radius: 16px;
  --radius-sm: 10px;
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--t1);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
h4 {
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
}

p {
  margin: 0 0 1em;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Background helpers ---------- */

.section {
  padding: 96px 0;
}

.section-alt {
  background: var(--bg-alt);
}

.section-tight {
  padding: 64px 0;
}

.glow {
  position: relative;
  isolation: isolate;
}

.glow::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 420px;
  background: radial-gradient(
    ellipse at top,
    rgba(46, 227, 173, 0.18),
    transparent 70%
  );
  z-index: -1;
  pointer-events: none;
}

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(20, 18, 31, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max);
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.05rem;
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--mint-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mint);
  font-weight: 900;
}

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
  font-size: 0.94rem;
  color: var(--t2);
}

.nav-links a:hover {
  color: var(--t1);
}

.nav-cta {
  display: none;
}

@media (min-width: 720px) {
  .nav-cta {
    display: inline-flex;
  }
}

.menu-toggle {
  display: inline-flex;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--t1);
  padding: 8px 10px;
}

@media (min-width: 720px) {
  .menu-toggle {
    display: none;
  }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--mint);
  color: #06251c;
}

.btn-primary:hover {
  background: #4aeec2;
}

.btn-ghost {
  background: var(--card);
  color: var(--t1);
  border-color: var(--border);
}

.btn-ghost:hover {
  background: var(--card-hover);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.02rem;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- Hero ---------- */

.hero {
  padding: 88px 0 60px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--mint);
  background: var(--mint-dim);
  border: 1px solid rgba(46, 227, 173, 0.25);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  max-width: 880px;
  margin-left: auto;
  margin-right: auto;
}

.hero .lede {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--t2);
  max-width: 620px;
  margin: 0 auto 36px;
}

.hero .btn-row {
  justify-content: center;
  margin-bottom: 20px;
}

.hero .microcopy {
  color: var(--t3);
  font-size: 0.88rem;
}

.hero-frame {
  margin: 56px auto 0;
  max-width: 920px;
}

/* ---------- Screenshot placeholder ---------- */

.phone-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}

.phone-shot {
  aspect-ratio: 9 / 18;
  background: linear-gradient(160deg, var(--card), var(--bg-alt));
  border: 1px solid var(--border);
  border-radius: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--t3);
  font-size: 0.82rem;
  padding: 16px;
  text-align: center;
}

/* ---------- Screenshot showcase (App Store style marketing shots) ---------- */

.showcase-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 8px 4px 24px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.showcase-scroll img {
  flex: 0 0 auto;
  width: 220px;
  height: auto;
  border-radius: 20px;
  scroll-snap-align: start;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

@media (min-width: 640px) {
  .showcase-scroll img {
    width: 260px;
  }
}

.wide-shot {
  aspect-ratio: 16 / 10;
  background: linear-gradient(160deg, var(--card), var(--bg-alt));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--t3);
  font-size: 0.9rem;
}

/* ---------- Section headers ---------- */

.section-head {
  max-width: 640px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.5rem);
}

.section-head p {
  color: var(--t2);
  font-size: 1.05rem;
}

/* ---------- Feature grid ---------- */

.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.card-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--mint-dim);
  color: var(--mint);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 18px;
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.card p {
  color: var(--t2);
  font-size: 0.95rem;
  margin-bottom: 0;
}

/* ---------- Spotlight (feature deep-dive) ---------- */

.spotlight {
  display: grid;
  gap: 48px;
  align-items: center;
  grid-template-columns: 1fr;
}

@media (min-width: 880px) {
  .spotlight {
    grid-template-columns: 1fr 1fr;
  }
  .spotlight.reverse .spotlight-copy {
    order: 2;
  }
}

.spotlight-copy .badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gold);
  background: var(--gold-dim);
  border: 1px solid rgba(255, 209, 102, 0.3);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.spotlight-copy h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.spotlight-copy p {
  color: var(--t2);
  font-size: 1.02rem;
}

.check-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.check-list li {
  display: flex;
  gap: 10px;
  color: var(--t1);
  font-size: 0.96rem;
}

.check-list li::before {
  content: "✓";
  color: var(--mint);
  font-weight: 800;
  flex-shrink: 0;
}

/* ---------- Steps ---------- */

.steps {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  counter-reset: step;
}

.step {
  position: relative;
  padding-top: 12px;
}

.step::before {
  counter-increment: step;
  content: counter(step);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--mint);
  color: #06251c;
  font-weight: 800;
  margin-bottom: 16px;
}

.step h4 {
  font-size: 1.05rem;
}

.step p {
  color: var(--t2);
  font-size: 0.94rem;
}

/* ---------- FAQ (native <details>, zero JS) ---------- */

.faq {
  max-width: 780px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 6px 0;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 4px;
  font-weight: 700;
  font-size: 1.02rem;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  color: var(--mint);
  font-size: 1.4rem;
  font-weight: 400;
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item .faq-body {
  color: var(--t2);
  padding: 0 4px 18px;
  font-size: 0.96rem;
}

.faq-category {
  margin: 48px 0 18px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mint);
}

.faq-category:first-of-type {
  margin-top: 0;
}

/* ---------- CTA banner ---------- */

.cta-banner {
  background: linear-gradient(135deg, rgba(46, 227, 173, 0.14), rgba(255, 209, 102, 0.08));
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 56px 32px;
  text-align: center;
}

.cta-banner h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.cta-banner p {
  color: var(--t2);
  max-width: 480px;
  margin: 0 auto 28px;
}

/* ---------- Footer ---------- */

footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
  color: var(--t2);
  font-size: 0.92rem;
}

.footer-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  margin-bottom: 48px;
}

@media (max-width: 720px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.footer-col h5 {
  color: var(--t1);
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a:hover {
  color: var(--t1);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border);
  padding-top: 24px;
  color: var(--t3);
  font-size: 0.85rem;
}

.social-row {
  display: flex;
  gap: 14px;
}

.social-row a {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--t2);
}

.social-row a:hover {
  color: var(--mint);
  border-color: var(--mint);
}

/* ---------- Legal / long-form content pages ---------- */

.legal {
  max-width: 760px;
  margin: 0 auto;
}

.legal h2 {
  font-size: 1.4rem;
  margin-top: 2.2em;
}

.legal h2:first-child {
  margin-top: 0;
}

.legal h3 {
  font-size: 1.1rem;
  margin-top: 1.6em;
}

.legal p,
.legal li {
  color: var(--t2);
  font-size: 0.98rem;
}

.legal ul,
.legal ol {
  color: var(--t2);
  padding-left: 1.3em;
}

.legal strong {
  color: var(--t1);
}

.legal-meta {
  color: var(--t3);
  font-size: 0.88rem;
  margin-bottom: 40px;
}

.callout {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--mint);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 0.94rem;
  color: var(--t2);
}

/* ---------- Support page ---------- */

.support-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-bottom: 64px;
}

.support-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  text-align: center;
}

.support-card .card-icon {
  margin: 0 auto 16px;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--mint-dim);
  color: var(--mint);
  border: 1px solid rgba(46, 227, 173, 0.25);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 40px;
}

.status-pill .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
}

/* ---------- Contact page ---------- */

.contact-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.contact-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.contact-card a.email {
  color: var(--mint);
  font-weight: 700;
  word-break: break-all;
}

/* ---------- Utility ---------- */

.text-center {
  text-align: center;
}

.mt-0 {
  margin-top: 0;
}

.small {
  font-size: 0.86rem;
  color: var(--t3);
}